Three accelerators are reportedly released, but I cannot find any reference on the marketplace site for the customer care accelerator at this point. I have included the links to the customer portal and the partner relationship management portal:

We’ve been using the Microsoft Dynamics CRM 4.0 customer portal for hosting our website for a while now, and our next challenge is figuring out what changes need to be made to upgrade to the 2011 model. Expect to see a blog entry about that soon.